CN104622514B - A kind of ovulation test system and method based on dual sensor - Google Patents

A kind of ovulation test system and method based on dual sensor Download PDF

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CN104622514B
CN104622514B CN201510090376.0A CN201510090376A CN104622514B CN 104622514 B CN104622514 B CN 104622514B CN 201510090376 A CN201510090376 A CN 201510090376A CN 104622514 B CN104622514 B CN 104622514B
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signal
ovulation
body fluid
electric conductivity
day
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CN104622514A (en
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潘挺睿
吴薇
杨鑫
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JIANGSU XIWANG ELECTRONIC TECHNOLOGY Co Ltd
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JIANGSU XIWANG ELECTRONIC TECHNOLOGY Co Ltd
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Abstract

A kind of ovulation test system and method based on dual sensor, including ovulation tester, intelligent terminal and cloud platform；Described ovulation tester includes：Body fluid conductivity sensor, basal body temperature sensor, simulated modulation module, digital analog converter, microcontroller and radio-frequency module, described intelligent terminal include communication module, data processing module and UI data-pushing modules；Described cloud platform is used for the user's ovulation information for receiving intelligent terminal upload.The present invention is suitable to family expenses, Consumer's Experience is good, and using dual sensor technology, ovulation situation is detected for core by using body fluid conductivity sensor and basal body temperature sensor, two sensors complement each other, algorithmically interdepend, not only increase the accuracy of test result, accurately judge ovulation day, 5 days or so precognition ovulation days can also be shifted to an earlier date, complete onset of ovulation Annual distribution is obtained, facilitates user to carry out the preparation of standby pregnant or contraception in advance, test is more accurate.

Description

A kind of ovulation test system and method based on dual sensor
Technical field
The present invention relates to medical/domestic medical device field, in particular for ovulation sensing equipment field, specifically A kind of ovulation test system and method based on dual sensor.
Background technology
The ovulation day of women is usually 14 days or so before next menstrual onset, first 6 days and latter 3 days of ovulation day, is connected It is referred to as the onset of ovulation within totally 10 days inside with ovulation day.
Human body is waken up after the sleep of long period (6 hours), measured body temperature before not yet carrying out any activity Referred to as basal body temperature.The basal body temperature of normal Women of childbearing age is in cyclically-varying, and relevant with ovulation.It is all from menstruation with women It is a test period that the daystart that phase starts starts the previous day to next menstrual cycle, about 21-35 days, is put down It is each about 28 days, starts in menstruation relatively low to ovulation same day basal body temperature, body temperature can increase 0.6 DEG C or so after ovulation, and Remain to next menstrual cycle arrival.Therefore the basal body temperature by measuring women can obtain ovulation day.But basal body temperature Test must just be measured after getting up daily, to avoid doing more physical exercises, and the but row of having missed when obtaining ovulation day Ovate state, ovulation day can not be predicted, grasp onset of ovulation that also just can not preferably more fully.
Before female ovulation, the estrogen level in blood increases, and the estrogen in blood passes through renin angiotensin II Na+, K+, Ca+ plasma concentration in system fading margin body fluid, the same of human body fluid (saliva, sweat, urine) ion concentration can be caused Phase property changes.It can change and directly can react in blood by detecting the same period of human body fluid (saliva, sweat, urine) ion concentration The synchronism of estrogen and luteinizing principle changes, and 5--7 days in advance predicting ovulation phases.Compared to traditional optical observation Method or due to progestational hormone change indirectly caused by basal body temperature change etc., using direct measurement due to body fluid caused by progestational hormone Composition transfer, the closer real ovulation situation of measurement result, more accurately.But the method can only predict whole cycle point Cloth, accurately to judge that the ovulation same day also needs to be aided in reference to other methods.
At present, women monitors the conventional method of testing of ovulation situation and mainly had：Basal body temperature method of testing, ovulation test paper test Method, B ultrasound detection method.First two is mainly used in family and tested oneself, and basal body temperature method of testing is although simple to operate, but is measuring the onset of ovulation When show that ovulation has occurred, influenceed and because temperature difference is smaller, during test by various extraneous factors, it is easy to cause to test number According to inaccuracy, daily data need oneself to record, it is impossible to form intuitively temperature profile；Ovulation test paper method of testing needs pair Urine sampling, test paper paired observation, there is certain subjectivity, easily judge by accident, many women are not very willing to use, and only Can be in preovulatory Validity Test interior one day after, it is difficult to standby pregnant in advance.B ultrasound detection method, i.e., observe the big of ovary using female B ultrasound It is small, the size of ovarian follicle is determined, when the presumption onset of ovulation is.The method is relatively directly also relatively more accurate, but must go to hospital It could detect, and costly, it is also necessary to a series of thing such as ask for leave in advance, calculate the date, register, it is very troublesome.
The content of the invention
The purpose of the present invention is the forecasting problem for the onset of ovulation and ovulation day, proposes a kind of ovulation based on dual sensor Test system and method, ovulation day can be accurately determined, obtain complete onset of ovulation Annual distribution, and 5-7 days in advance predict Ovulation day.The test philosophy of the comprehensive body fluid ion concentration of the present invention and basal body temperature, exploitation one kind are based on body fluid electric conductivity and base The intelligent ovulation tester of plinth temperature dual sensor, suitable for family expenses.By the use of this intelligent ovulation tester, women being capable of letter It is single, grasp easily and exactly the onset of ovulation of oneself, fully perform the preparation become pregnant or practised contraception, moreover it is possible to enjoy the band of cloud platform Come more value-added functionalitys and Consumer's Experience.
The technical scheme is that：
A kind of ovulation test system based on dual sensor, it includes ovulation tester；
Described ovulation tester includes：Body fluid conductivity sensor, basal body temperature sensor, simulated modulation module, number Weighted-voltage D/A converter, microcontroller and radio-frequency module, described body fluid conductivity sensor and basal body temperature sensor are surveyed as ovulation The signal acquisition terminal of examination instrument is respectively used to collection of body fluids electric conductivity signal and basal body temperature signal, body fluid conductivity sensor and base The signal output part of plinth body temperature transducer is connected with the signal input part of simulated modulation module, and the signal of simulated modulation module is defeated Go out end and be sequentially connected digital analog converter, microcontroller and radio-frequency module, the microcontroller is used for the information to sensor output Handled to obtain the ovulation information of user, the signal output part of described radio-frequency module as ovulation tester output with after Level equipment is communicated.
The ovulation test system of the present invention also includes intelligent terminal and cloud platform,
Described intelligent terminal includes communication module, data processing module and UI data-pushing modules, the communication module Signal input part be connected as the input of intelligent terminal with the radio-frequency module of ovulation tester, the signal output part of communication module It is connected with the signal input part of data processing module, the data processing module can be carried out to the information that ovulation tester exports Processing obtains the ovulation information of user, and the signal output part of the data processing module inputs with the signal of UI data-pushing modules End is connected, and described UI data-pushings module is used to result presentation being uploaded to cloud platform to user, and according to user's request；
Described cloud platform is used for the user's ovulation information for receiving intelligent terminal upload.
The body fluid conductivity sensor of the present invention includes signal driving source, simulated modulation circuit and sensor probe；
Described signal driving source be used to producing can by the standard AC signal of human body and synchronous positive and negative clock signal, The standard AC signal output part of signal driving source is connected with sensor probe, and people is inputted by sensor probe as excitation Body, the positive and negative clock signal of synchronization of signal driving source are connected with the corresponding clock signal input terminal of simulated modulation circuit；
The positive and negative clock signal of synchronization of described simulated modulation circuit reception signal driving source, and sensor probe is adopted The body fluid conductance measurement signal of collection carries out processing output body fluid analog voltage signal i.e. body fluid electric conductivity signal；
Described sensor probe uses conductor material, and conductor material can use medical stainless steel piece, flexible electrode electricity Road plate, conducting polymer or electrical-conductive nanometer material.
The signal driving source of the present invention includes AC signal generator, current-limiting circuit, fixed amplitude circuit and low latency phase inverter, Described AC signal generator produces standard AC signal, and its signal output part passes through current-limiting circuit and fixed amplitude circuit successively, Exported afterwards by sensor probe, AC signal caused by described AC signal generator also exports as positive clock signals To the positive clock signals input of simulated modulation circuit, AC signal caused by AC signal generator is also used as positive clock signals Export to the signal input part of low latency phase inverter, the signal output part of low latency phase inverter exports negative clock signal and adjusted to simulating Manage the negative clock signal input of circuit；
Described standard AC signal, including standard sine wave, square wave and triangular wave；AC signal generator produces More than 500Hz AC wave shape, amplitude are 100mV -1V.
The simulated modulation circuit of the present invention includes low pass filter, waveform split circuit and waveform synthetic circuit, described One end of low-pass filter circuit connects the body fluid conductance measurement signal of probe collection as the input of simulated modulation circuit, filtered The corresponding signal input part of body fluid conductance measurement signal input waveform split circuit, the clock signal input terminal of waveform split circuit Positive and negative clock signal output terminal corresponding with signal driving source is connected, the output end and waveform synthetic circuit of waveform split circuit Signal input part be connected, waveform synthetic circuit output as simulated modulation circuit output output body fluid electric conductivity signal； Described low pass filter uses second-order low-pass filter, preferably second order Butterworth LPF.
The waveform split circuit of the present invention includes four analog switches, and the electric signal input end of four analog switches connects respectively The body fluid conductance measurement signal of probe collection, the clock signal input terminal of analog switch one, two connect the output of signal driving source respectively Positive clock, the clock signal input terminal of analog switch three, four connects the negative clock of signal driving source output respectively so that probe is adopted The body fluid conductance measurement signal of collection, by analog switch one, two, passes through simulation in negative half period in the positive half cycle of AC signal Switch three, four；
Described waveform synthetic circuit includes buffer one, two and biasing comparison circuit, the signal of described buffer one Input connects the signal output part of analog switch one, three, the signal input part of buffer two as the input of waveform synthetic circuit Another input as waveform synthetic circuit connects the signal output part of analog switch two, four, and buffer one, two is used for separating Ac small signal be that the waveform of body fluid conductance measurement signal carries out coupling synthesis, the signal output part of buffer one, two with The signal input part of biasing comparison circuit is connected, and the signal output part of described biasing comparison circuit is as waveform synthetic circuit Output is the output of sensor, exports body fluid electric conductivity signal；
Described buffer one, two uses rail-to-rail amplifier follower；Described biasing comparison circuit is put using biasing Comparator.
A kind of ovulation method of testing based on dual sensor, it comprises the following steps：
(1), since in 1-3 days menstruation physiological period measurement, i.e., body is continued to monitor using ovulation tester Liquid electric conductivity signal and basal body temperature signal and it is uploaded to intelligent terminal；
(2), when the body fluid electric conductivity signal that the same day is monitored in intelligent terminal has than the previous day sharp to be risen, judge The same day is the beginning of the onset of ovulation；And record the same day is which day that menstruation starts at this moment；
(3), after it determined the beginning of the onset of ovulation, body fluid electric conductivity signal is continued to monitor, as body fluid electric conductivity signal D2 Than the previous day D1Have again when sharp rising；Record same day D2Which day started for menstruation；
(4) when, monitoring that body fluid electric conductivity signal steeply rises change for the second time in step (3), after continuing measurement One day D3Body fluid electric conductivity numerical value,
If D3It body fluid electric conductivity numerical value and D2It is compared, and when satisfaction is basically unchanged or increased and decreased, then starts to check Basal body temperature measured value；
When checking basal body temperature measured value, judgement basis core body temperature measurements are in D one day after3With D2Compare, if having a tentering The rise of degree, it is accurate to judge D one day after if the rise of basal body temperature measured value meets certain amplitude3For ovulation day；If Basal body temperature measured value is unsatisfactory for certain amplitude, then in D afterwards4It is continuing with basal body temperature measured value and judged, such as Fruit meets the condition of certain amplitude, then accurately judges D4It is ovulation day, if be still unsatisfactory for, is considered as user and does not survey normally Examination, return to step (1).
In step (2) of the present invention, body fluid electric conductivity signal has sharp to rise than the previous day to be referred to：Wherein, B represents the body fluid electric conductivity numerical value on the same day, and A represents the body fluid electric conductivity number of the previous day Value；Described 10% >=preset value one >=80%, the preset value preferably 25%；
In described step (3), body fluid electric conductivity signal has sharp to rise than the previous day to be referred to：Wherein, B represents same day D2Body fluid electric conductivity parameter, A represent the previous day D1Body fluid electric conductivity Numerical value；Described 10% >=preset value one >=80%, the preset value preferably 25%；
In described step (4), if body fluid electric conductivity numerical value meets to be basically unchanged or increased and decreased to refer to：Wherein, B represents D one day after3Body fluid electric conductivity parameter, A represent among one day D2Body fluid Electric conductivity numerical value；Described 20% >=preset value two >=0, the preset value preferably 10%；
When checking basal body temperature measured value, the rise of basal body temperature measured value meets certain amplitude, described certain amplitude Scope is：0.2-0.8 degrees Celsius.
In the step (2) of the present invention, the body fluid electric conductivity signal on the day of being monitored in intelligent terminal has rising drastically, But this change is within 1-3 days that menstruation starts, then continues to monitor using this signal as the noise signal of improper test. (because passing through big data test result, women at least takes 5 days and can be only achieved steeply rising for first time body fluid electric conductivity signal)
In the step (3) of the present invention, after it determined the beginning of the onset of ovulation, body fluid electric conductivity signal is continued to monitor, works as body Liquid electric conductivity signal does not have for continuous 9 days again when sharp rising, then is considered as the non-proper testing of user, return to step (1).
In the step (4) of the present invention, if body fluid electric conductivity numerical value is unsatisfactory for being basically unchanged or increased and decreased, continue To meeting the foregoing state for being basically unchanged or having reduced；(as it is possible that be at the time of you test rising that Its intermediate point, that is, highest is not risen to, but rise much than the previous day, general is exactly after one day)
When checking basal body temperature measured value, if continuous two days basic core body temperature measurements do not meet 0.2-0.8 degrees Celsius Elevated condition, then judged using the result of record in step (2), that is, determined the first minor peaks as the onset of ovulation After beginning, the judgement of ovulation day is carried out：When the number of days that first minor peaks start away from menstruation is 6 or 7 days, ovulation day is opened apart from menstruation The number of days of beginning is 14 days；When the number of days that first minor peaks start away from menstruation is 8 or 9 days, number of days that ovulation day starts apart from menstruation For 15 days；When the number of days that first minor peaks start away from menstruation is 10 or 11 days, ovulation day is 16 days apart from the number of days that menstruation starts； When the number of days that first minor peaks start away from menstruation is 12 or 13 days, ovulation day is 17 days apart from the number of days that menstruation starts.
Beneficial effects of the present invention：
The ovulation tester small volume and less weight of the present invention, suitable for family expenses, it is not necessary to urine, saliva etc. are collected, it is easy to use, survey The examination time is short, and Consumer's Experience is good.
The ovulation tester of the present invention is changed based on female ovulatory period human body fluid (saliva, sweat, urine) ion concentration With the principle of basal body temperature change, ovulation is detected by using body fluid conductivity sensor and basal body temperature sensor are core Situation, two sensors complement each other, algorithmically interdepended, not only increase the accuracy of test result, accurately sentence Break and ovulation day, moreover it is possible to 5 days or so in advance precognition ovulation days, obtain complete onset of ovulation Annual distribution, facilitate user to do in advance Good standby pregnant or the preparation of contraception, test is more accurate, has internet of things functional, can be connected with cloud platform.
The present invention can cause women body fluid (saliva, sweat, urine) ion dense based on the change of determining female physiological periodicity progestational hormone The principle of change is spent, using the method for test women body fluid (saliva, sweat, urine) electric conductivity, can measure ovulation day can be in the moon In 1 to 2 day after the cycle starts after second peak value of body fluid (saliva, sweat, urine) conductive test value.According to big data Necessity in measurement result, and algorithm, it is necessary to being carried out because of individual difference except dry, to determine ovulation day.Women is being ovulated Basal body temperature can be averaged and heat up 0.6 DEG C or so on the day of day, therefore the present invention is used as using survey basal body temperature mode and removes dry signal, auxiliary Test, can more accurately position ovulation day.
The ovulation tester of the present invention judges without user oneself record data, drafting curve, analysis.By intelligent with energy Terminal is connected, and can upload test data after being completed in real time by the communication module such as bluetooth, WIFI, NFC to intelligent terminal, and Further data analysis is carried out by the Algorithm Analysis and data processing module of intelligent terminal, by result vivid and visual and understandablely User is presented to, realizes that height is intelligent.
The ovulation tester of the present invention can also be connected by intelligent terminal with the back-end services platform built in cloud platform, use Data optionally can not only be uploaded to remote medical nursing service platform by family according to self-demand, are obtained effective medical care immediately and are consulted Ask and instruct, moreover it is possible to shared cloud platform medical care resource, so as to promote the construction of city intelligent medical treatment.
The ovulation tester internal circuit of the present invention uses modularized design, low manufacture cost, suitable for industrialization.
The ovulation tester of the present invention can be selected suitable data sample, be designed to different according to user requirements analysis Display form, it is designed to small and beautiful and portable intelligent tester.Such as it is designed to test saliva ion concentration at the root of the tongue Ovulation tester, test the ovulation tester of skin surface sweat ion concentration for example at wrist, test urine ion concentration Ovulation tester.
Use of the invention by temperature sensor, make the ovulation tester outside the function with test ovulatory cycle, Also there is basal body temperature detection function, considerably increase the practicality and use range of product.
Brief description of the drawings
Fig. 1 is the theory diagram of the present invention.
Fig. 2 is the theory diagram of the body fluid conductivity sensor of the present invention.
Fig. 3 is the theory diagram of the signal driving source of the present invention.
Fig. 4 is the theory diagram of the simulated modulation circuit of the present invention.
Fig. 5 is the body fluid electric conductivity numerical curve and basal body temperature curve control schematic diagram of the present invention.
Embodiment
The present invention is further illustrated with reference to the accompanying drawings and examples.
As shown in figure 1, it is the circuit block diagram of the system, ovulatory cycle detecting system is by ovulation tester, intelligent terminal, cloud Platform forms.
Ovulation tester includes：Body fluid conductivity sensor, basal body temperature sensor, simulated modulation module, digital-to-analogue conversion Device, microcontroller and radio-frequency module, described body fluid conductivity sensor and basal body temperature sensor are as ovulation tester Signal acquisition terminal is respectively used to collection of body fluids electric conductivity signal and basal body temperature signal, body fluid conductivity sensor and basal body temperature The signal output part of sensor is connected with the signal input part of simulated modulation module, the signal output part of simulated modulation module according to Secondary connection digital analog converter, microcontroller and radio-frequency module, the signal output part of described radio-frequency module is as ovulation tester Output be connected with the communication module of intelligent terminal；
Master reference is body fluid (saliva, sweat, urine) conductivity sensor, for lock female ovulation periodic regime and Substantially ovulation day.Secondary sensor is basal temperature sensor, and the data of body fluid conductivity sensor collection gone forward side by side except dry One step determines ovulation day.Data are reached into simulated modulation module after sensor gathered data.Wherein, basal body temperature sensor portion Point, using nearly closed space structure, the electrode for borrowing ion concentration sensor does closed cavity processing, can be fast by heat Reach required temperature value fastly.The detection circuit carries out the data acquisition of integral form using SLOPE-ADC, can be quickly accurate Temperature peak really is measured, is allowed to closest to human body basal body temperature.
Simulated modulation module forms and function：LPF, signal processing circuit are included by simulated modulation module, and followed Amplifying circuit forms.The partial circuit is used to nurse one's health waveform and temperature sensor caused by the change of electrolyte beamed back as sensor The basal body temperature change waveform gathered, and give treated waveform to D/A converter module.
D/A converter module forms and function：D/A converter module is made up of a/d converter, for receiving by simulated modulation The waveform that resume module is crossed, and digital-to-analogue conversion is carried out, so that micro controller module carries out data analysis.
Microcontroller forms and function：Microcontroller is made up of embedded microprocessor and its peripheral components, is mainly used in Data signal caused by D/A converter module is handled, carries out Algorithm Analysis, controls peripheral hardware, and analysis result is pushed into radio frequency mould Block is transmitted.Microprocessor can select ARM Cortex serial or other.
Radio-frequency module forms and function：Radio-frequency module is used to send the data pushed by microcontroller part, so as to intelligence Terminal carries out the reception of data.Bluetooth module, NFC module, the one or more of WIFI module can be selected.
Battery and power supply processing module composition and function：Power supply for equipment.Induction charging may be selected, USB direct charger is filled Electrically；Also dry cell, chargeable lithium cell power supply mode may be selected.
Intelligent terminal forms and function：Intelligent terminal includes communication module, APP authority acquirings and matching module, algorithm point Analysis and data processing module, UI data-pushing modules.Communication module is used for the test result for receiving ovulation tester transmission, APP Authority acquiring is used to obtain with matching APP user profile with matching module, and Algorithm Analysis is used for data processing module will ovulation The pretreated data of tester are further analyzed and handled, and UI data-pushings module is used for result presentation to use Family, and cloud platform is uploaded to according to user's request.Intelligent terminal can be smart mobile phone, PAD and other smart machines.
Cloud platform：Cloud is accessed using the equipment for aiming at Internet of Things design, realizes that bulk device concurrently connects, distributed cloud is deposited Storage, uplink and downlink communication, equipment controls in real time, and provides other various data, services etc..
Wherein, sensor assembly can use general 4 sections of earphone interfaces with conditioning module, be easily changed sensor probe, Waterproof can be accomplished；Simulated modulation module, D/A converter module, micro controller module, and radio-frequency module use integrated list Plate designs, and simplifies internal connect；The conventional short distance radio frequency connected mode such as bluetooth, NFC, WIFI, equipment and intelligent terminal is convenient Quickly communicated；Smart machine uses the wireless connection such as WIFI, 2G/3G/4G with cloud platform.
As shown in Fig. 2 the body fluid conductivity sensor of the present invention includes signal driving source, simulated modulation circuit and sensor Probe；
Described signal driving source be used to producing can by the standard AC signal of human body and synchronous positive and negative clock signal, The standard AC signal output part of signal driving source is connected with sensor probe, and people is inputted by sensor probe as excitation Body, the positive and negative clock signal of synchronization of signal driving source are connected with the corresponding clock signal input terminal of simulated modulation circuit；
The positive and negative clock signal of synchronization of described simulated modulation circuit reception signal driving source, and sensor probe is adopted The body fluid conductance measurement signal of collection carries out processing output body fluid analog voltage signal i.e. body fluid electric conductivity signal；(conditioned signal The standard AC signal for 1kHz, amplitude 700mV are inputted, the signal returned from sensor probe is with phase with standard AC Impedance signal)
Described sensor probe uses medical stainless steel piece, and inner surface uses special scaling powder and surfactant, And in outer surface coating etc., for anticorrosion.
During specific implementation：
For women typically at preovulatory 5-7 days or so, ovarian follicle is just ripe, can now secrete a large amount of estrogen in vivo, and then Other internal ion concentrations changes are influenceed, this change can pass through, saliva, the electric conductivity of urine and sweat show.By fixed The variation tendency of ground measurement, saliva, urine or sweat electric conductivity is measured, ovulatory cycle can be determined exactly.The present invention is used Method be " bimodal method ", i.e. the onset of ovulation is exactly the peak value for starting from first body fluid electric conductivity, and after second peak value Into ovulation day, the onset of ovulation is then log out.This mensuration starts from first to the 3rd day of menstrual onset, and continues to monitor One peak value drastically, rapidly decline in second day measured value for peak value occur, now just can be determined that opening for the onset of ovulation Begin.Hereafter, continue to monitor measured value, and drop to second peak value after minimum detecting, subsequent 1-2 days are to ovulate Day, but accurately to judge ovulation day, it is also necessary to selection carries out removing dry differentiation except dry signal.
Because women, after ovulation, ovary forms corpus luteum, secretion progestational hormone can make basal body temperature rise 0.6 degree of left side Celsius Two phase changes of height are presented in the right side, basal body temperature, and first 1-2 days risen from low temperature to high temperature are ovulation day, and temperature has on obvious Represent that ovulation has occurred and that when rising, therefore this method selection basal body temperature is used as and removes dry signal.After this, monitoring and test number is continued According to detect the exception of physiological period, and starting second in the menstrual onset of next cycle in 1-3 days and measure.
As shown in figure 5, round dot junction curve is ion concentration curve, temperature curve based on junction curve is put by side.Shade Part represents that the onset of ovulation is critical days, and projecting point represents ovulation day, and wherein ovulation day, ovulation are a few days ago optimal pregnancy day.
A kind of ovulation method of testing based on dual sensor, specifically includes following steps：
(1), since in 1-3 days menstruation physiological period measurement, i.e., body is continued to monitor using ovulation tester Liquid electric conductivity signal and basal body temperature signal and it is uploaded to intelligent terminal；
(2), sharp rise i.e. when the body fluid electric conductivity signal that the same day is monitored in intelligent terminal has than the previous dayJudge beginning of the same day for the onset of ovulation；Wherein, before B represents that the body fluid electric conductivity numerical value on the same day, A represent The body fluid electric conductivity numerical value of one day, and record the same day is which day that menstruation starts at this moment；When being monitored in intelligent terminal The body fluid electric conductivity signal on the same day has rising drastically, but this change is within 1-3 days that menstruation starts, then by this signal Noise signal as improper test continues to monitor；
(3), after it determined the beginning of the onset of ovulation, body fluid electric conductivity signal is continued to monitor, when body fluid electric conductivity signal ratio The previous day D1Have again and sharp rise i.e.When；Wherein, B represents same day D2Body fluid electric conductivity parameter, A tables Show the previous day D1Body fluid electric conductivity numerical value, and at this moment record the same day D2Which day started for menstruation；When body fluid electric conductivity is believed Number do not have again within continuous 9 days when sharp rising, be then considered as the non-proper testing of user, return to step (1)；
(4) when, monitoring that body fluid electric conductivity signal steeply rises change for the second time in step (3), after continuing measurement One day D3Body fluid electric conductivity numerical value,
If body fluid electric conductivity numerical value meets to be basically unchanged or increased and decreased, i.e.,：Wherein, B tables Show D one day after3Body fluid electric conductivity parameter, A represent among one day D2Body fluid electric conductivity numerical value, then start to check basal body temperature Measured value；
When checking basal body temperature measured value, judgement basis core body temperature measurements are in D one day after3With D2Compare, if having 0.4- 0.6 degree Celsius of rise, it is accurate to judge D one day after if the rise of basal body temperature measured value meets aforementioned condition3For ovulation Day；If basal body temperature measured value is unsatisfactory for the elevated conditions of 0.4-0.6, in D afterwards4It is continuing with basal body temperature survey Value is judged, accurate to judge D if meeting 0.4-0.6 degrees Celsius of elevated condition4It is ovulation day, if still not Meet, be then considered as the non-proper testing of user, return to step (1)；
If body fluid electric conductivity numerical value is unsatisfactory for being basically unchanged or increased and decreased, i.e.,：Continue To meeting the foregoing state for being basically unchanged or having reduced.
In the step (4) of the present invention, when steeply rising change for the second time, continue to measure next day numerical value, if base When this is constant or has reduced, basal body temperature measured value is now taken, sees whether temperature has 0.4-0.6 degrees Celsius of rise, such as Fruit has temperature rise, then accurate to judge the same day for ovulation day；As temperature does not change, then being continuing with temperature in next day sentences It is fixed, then it is considered as without temperature change (temperature by environment temperature and human life activity influenceed very big) all the time such as at second day The non-proper testing of user.In the case where second day does not measure temperature, judged using the record value in step 2, i.e., for the first time The peak value of measured value is which day that menstruation starts.Judgement ovulation day is carried out according to following table mode：
The number of days that first minor peaks start away from menstruation The number of days that ovulation day starts apart from menstruation
6 or 7 days 14 days
8 or 9 days 15 days
10 or 11 days 16 days
12 or 13 days 17 days
Metering system in temperature change unobvious, it is the research knot determined by the actual physiological period of a large amount of women Fruit, about at least more than 90% women meet the measuring method in above table.
Part that the present invention does not relate to is same as the prior art or can be realized using prior art.

Claims (8)

  1. A kind of 1. ovulation test system based on dual sensor, it is characterized in that it includes ovulation tester；
    Described ovulation tester includes：Body fluid conductivity sensor, basal body temperature sensor, simulated modulation module, digital-to-analogue turn Parallel operation, microcontroller and radio-frequency module, described body fluid conductivity sensor and basal body temperature sensor are as ovulation tester Signal acquisition terminal be respectively used to collection of body fluids electric conductivity signal and basal body temperature signal, body fluid conductivity sensor and base body The signal output part of temperature sensor is connected with the signal input part of simulated modulation module, the signal output part of simulated modulation module Digital analog converter, microcontroller and radio-frequency module are sequentially connected, the microcontroller is used to carry out the information of sensor output Processing obtains the ovulation information of user, and the signal output part of described radio-frequency module is set as the output of ovulation tester with rear class It is standby to be communicated；
    Described body fluid conductivity sensor includes signal driving source, simulated modulation circuit and sensor probe；
    Described signal driving source is used for generation can be by the standard AC signal and synchronous positive and negative clock signal, signal of human body The standard AC signal output part of driving source is connected with sensor probe, and human body, letter are inputted by sensor probe as excitation The positive and negative clock signal of synchronization of number driving source is connected with the corresponding clock signal input terminal of simulated modulation circuit；
    The positive and negative clock signal of synchronization of described simulated modulation circuit reception signal driving source, and to sensor probe collection Body fluid conductance measurement signal carries out processing output body fluid analog voltage signal i.e. body fluid electric conductivity signal；
    Described sensor probe uses conductor material, and conductor material uses medical stainless steel piece, flexible electrode circuit board, conduction Polymer or electrical-conductive nanometer material；
    Described signal driving source includes AC signal generator, current-limiting circuit, fixed amplitude circuit and low latency phase inverter, described AC signal generator produces standard AC signal, and its signal output part passes through current-limiting circuit and fixed amplitude circuit, Zhi Houtong successively Sensor probe output is crossed, AC signal is also exported to simulation as positive clock signals caused by described AC signal generator The positive clock signals input of modulate circuit, AC signal caused by AC signal generator also as positive clock signals export to The signal input part of low latency phase inverter, the signal output part of low latency phase inverter export negative clock signal to simulated modulation circuit Negative clock signal input；
    Described standard AC signal, including standard sine wave, square wave and triangular wave；
    Described simulated modulation circuit includes low pass filter, waveform split circuit and waveform synthetic circuit, described low pass filtered Input of the one end of ripple device as simulated modulation circuit, connect the body fluid conductance measurement signal of probe collection, filtered body fluid electricity Lead the corresponding signal input part of measurement signal input waveform split circuit, the clock signal input terminal and signal of waveform split circuit The positive and negative clock signal output terminal of correspondence of driving source is connected, the output end of waveform split circuit and the signal of waveform synthetic circuit Input is connected, and the output of waveform synthetic circuit exports body fluid electric conductivity signal as the output of simulated modulation circuit；Described Low pass filter uses second-order low-pass filter.
  2. 2. the ovulation test system according to claim 1 based on dual sensor, it is characterized in that described ovulation test system System also includes intelligent terminal and cloud platform,
    Described intelligent terminal includes communication module, data processing module and UI data-pushing modules, the letter of the communication module Number input is connected as the input of intelligent terminal with the radio-frequency module of ovulation tester, the signal output part and number of communication module It is connected according to the signal input part of processing module, the information that the data processing module can export to ovulation tester is handled Obtain the ovulation information of user, the signal output part and the signal input part phase of UI data-pushing modules of the data processing module Even, described UI data-pushings module is used to result presentation being uploaded to cloud platform to user, and according to user's request；
    Described cloud platform is used for the user's ovulation information for receiving intelligent terminal upload.
  3. 3. the ovulation test system according to claim 1 based on dual sensor, it is characterized in that described low pass filter Using second order Butterworth LPF.
  4. 4. the ovulation test system according to claim 1 based on dual sensor, it is characterized in that described waveform separation electricity Road includes four analog switches, and the electric signal input end of four analog switches connects the body fluid conductance measurement letter of probe collection respectively Number, the clock signal input terminal of analog switch one, two connects the positive clock of signal driving source output respectively, analog switch three, four Clock signal input terminal connects the negative clock of signal driving source output respectively so that the body fluid conductance measurement signal for collection of popping one's head in is being handed over By analog switch one, two when flowing the positive half cycle of signal, pass through analog switch three, four in negative half period；
    Described waveform synthetic circuit includes buffer one, two and biasing comparison circuit, the signal input of described buffer one Hold the signal output part that analog switch one, three is connect as the input of waveform synthetic circuit, the signal input part conduct of buffer two Another input of waveform synthetic circuit connects the signal output part of analog switch two, four, and buffer one, two is used for the friendship to separating Stream small-signal is that the waveform of body fluid conductance measurement signal carries out coupling synthesis, the signal output part of buffer one, two with biasing The signal input part of comparison circuit is connected, output of the described signal output part for biasing comparison circuit as waveform synthetic circuit That is the output of sensor, body fluid electric conductivity signal is exported；
    Described buffer one, two uses rail-to-rail amplifier follower；Described biasing comparison circuit uses the ratio that biasing is put Compared with device.
  5. A kind of 5. ovulation method of testing based on dual sensor, it is characterized in that it comprises the following steps：
    (1), since in 1-3 days menstruation physiological period measurement, i.e., body fluid is continued to monitor using ovulation tester and led Electrical signals and basal body temperature signal and it is uploaded to intelligent terminal；
    (2), when the body fluid electric conductivity signal that the same day is monitored in intelligent terminal has than the previous day sharp to be risen, the same day is judged For the beginning of the onset of ovulation；And record the same day is which day that menstruation starts at this moment；Body fluid electric conductivity signal has than the previous day Sharp rise and refer to：Wherein, B represents the body fluid electric conductivity numerical value on the same day, and A represents the previous day Body fluid electric conductivity numerical value；10% >=described preset value one >=80%；
    (3), after it determined the beginning of the onset of ovulation, body fluid electric conductivity signal is continued to monitor, as body fluid electric conductivity signal D2Than previous Its D1Have again when sharp rising；Record same day D2Which day started for menstruation；Body fluid electric conductivity signal has urgency than the previous day Rise acutely and refer to：Wherein, B represents same day D2Body fluid electric conductivity parameter, A represent the previous day D1 Body fluid electric conductivity numerical value；10% >=described preset value one >=80%；
    (4) when, monitoring that body fluid electric conductivity signal steeply rises change for the second time in step (3), measurement D one day after is continued3 Body fluid electric conductivity numerical value,
    If D3It body fluid electric conductivity numerical value and D2It is compared, and when satisfaction is basically unchanged or increased and decreased, then starts to check basis Core body temperature measurements；If body fluid electric conductivity numerical value meets to be basically unchanged or increased and decreased to refer to：Its In, B represents D one day after3Body fluid electric conductivity parameter, A represent among one day D2Body fluid electric conductivity numerical value；20% >=described Preset value two >=0；
    When checking basal body temperature measured value, judgement basis core body temperature measurements are in D one day after3With D2Compare, if having certain amplitude Rise, it is accurate to judge D one day after if the rise of basal body temperature measured value meets certain amplitude3For ovulation day；It is if basic Core body temperature measurements are unsatisfactory for certain amplitude, then in D afterwards4It is continuing with basal body temperature measured value and judged, if full The condition of sufficient certain amplitude, then accurately judge D4It is ovulation day, if be still unsatisfactory for, is considered as the non-proper testing of user, Return to step (1)；The rise of aforementioned base core body temperature measurements meets certain amplitude, and described certain amplitude scope is：0.2-0.8 Degree Celsius.
  6. 6. the ovulation method of testing according to claim 5 based on dual sensor, it is characterized in that：In described step (2), Preset value is 25%；In described step (3), preset value 25%；In described step (4), preset value 10%.
  7. 7. the ovulation method of testing according to claim 5 based on dual sensor, it is characterized in that in described step (2), Body fluid electric conductivity signal on the day of being monitored in intelligent terminal has rising drastically, but this changes the 1-3 started in menstruation Within it, then continue to monitor using this signal as the noise signal of improper test.
  8. 8. the ovulation method of testing according to claim 5 based on dual sensor, it is characterized in that in described step (3), After it determined the beginning of the onset of ovulation, continue to monitor body fluid electric conductivity signal, when continuous 9 days of body fluid electric conductivity signal not again Have when sharp rising, be then considered as the non-proper testing of user, return to step (1).
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